{"id":1031440,"date":"2024-12-31T11:25:31","date_gmt":"2024-12-31T03:25:31","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1031440.html"},"modified":"2024-12-31T11:25:33","modified_gmt":"2024-12-31T03:25:33","slug":"python%e5%a6%82%e4%bd%95%e7%bb%99%e5%ad%97%e7%ac%a6%e4%b8%b2%e8%b5%8b%e5%8f%98%e9%87%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1031440.html","title":{"rendered":"python\u5982\u4f55\u7ed9\u5b57\u7b26\u4e32\u8d4b\u53d8\u91cf"},"content":{"rendered":"

\"python\u5982\u4f55\u7ed9\u5b57\u7b26\u4e32\u8d4b\u53d8\u91cf\"<\/p>\n

Python\u7ed9\u5b57\u7b26\u4e32\u8d4b\u53d8\u91cf\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u4f7f\u7528f-string\u3001\u4f7f\u7528\u683c\u5f0f\u5316\u51fd\u6570\u3002<\/strong><\/p>\n<\/p>\n

\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\u3002\u5177\u4f53\u89e3\u91ca\u5982\u4e0b\uff1aPython\u4e2d\uff0c\u7ed9\u5b57\u7b26\u4e32\u8d4b\u53d8\u91cf\u662f\u4e00\u79cd\u57fa\u672c\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08=<\/code>\uff09\uff0c\u5c06\u5b57\u7b26\u4e32\u76f4\u63a5\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

my_string = "Hello, World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u7684\u65b9\u6cd5\u6765\u8d4b\u503c\u53d8\u91cf\uff0c\u5e38\u89c1\u7684\u683c\u5f0f\u5316\u65b9\u6cd5\u5305\u62ec\uff1a\u767e\u5206\u53f7\u683c\u5f0f\u5316\u3001str.format()<\/code>\u65b9\u6cd5\u4ee5\u53caf-string\uff08\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff09\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u8d4b\u503c\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n
\u8d4b\u503c\u8fd0\u7b97\u7b26\u662f\u6700\u57fa\u672c\u3001\u6700\u5e38\u89c1\u7684\u5b57\u7b26\u4e32\u8d4b\u503c\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
name = "Alice"<\/p>\n
greeting = "Hello, " + name + "!"<\/p>\n
print(greeting)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u5b57\u7b26\u4e32 "Alice"<\/code> \u88ab\u8d4b\u503c\u7ed9\u53d8\u91cf name<\/code>\uff0c\u7136\u540e\u901a\u8fc7\u5b57\u7b26\u4e32\u8fde\u63a5\u64cd\u4f5c\u7b26 +<\/code> \u5c06 name<\/code> \u548c\u5176\u4ed6\u5b57\u7b26\u4e32\u8fde\u63a5\u8d77\u6765\uff0c\u6700\u7ec8\u8d4b\u503c\u7ed9 greeting<\/code>\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u767e\u5206\u53f7\u683c\u5f0f\u5316<\/h3>\n<\/p>\n
\u767e\u5206\u53f7\u683c\u5f0f\u5316\u662f\u4e00\u79cd\u8f83\u65e9\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u4f7f\u7528\u767e\u5206\u53f7 %<\/code> \u4f5c\u4e3a\u5360\u4f4d\u7b26\u6765\u63d2\u5165\u53d8\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
name = "Bob"<\/p>\n
age = 25<\/p>\n
info = "Name: %s, Age: %d" % (name, age)<\/p>\n
print(info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c%s<\/code> \u662f\u5b57\u7b26\u4e32\u5360\u4f4d\u7b26\uff0c%d<\/code> \u662f\u6574\u6570\u5360\u4f4d\u7b26\uff0c\u53d8\u91cf name<\/code> \u548c age<\/code> \u88ab\u63d2\u5165\u5230\u76f8\u5e94\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u4e09\u3001str.format()\u65b9\u6cd5<\/h3>\n<\/p>\n
str.format()<\/code> \u65b9\u6cd5\u662f\u4e00\u79cd\u66f4\u73b0\u4ee3\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5b83\u4f7f\u7528\u5927\u62ec\u53f7 {}<\/code> \u4f5c\u4e3a\u5360\u4f4d\u7b26\u6765\u63d2\u5165\u53d8\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
name = "Charlie"<\/p>\n
age = 30<\/p>\n
info = "Name: {}, Age: {}".format(name, age)<\/p>\n
print(info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u5927\u62ec\u53f7 {}<\/code> \u662f\u5360\u4f4d\u7b26\uff0cformat()<\/code> \u65b9\u6cd5\u4f1a\u5c06\u53d8\u91cf name<\/code> \u548c age<\/code> \u63d2\u5165\u5230\u76f8\u5e94\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u56db\u3001f-string\uff08\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff09<\/h3>\n<\/p>\n
f-string \u662f Python 3.6 \u5f15\u5165\u7684\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5b83\u5728\u5b57\u7b26\u4e32\u524d\u52a0\u4e0a\u5b57\u6bcd f<\/code>\uff0c\u5e76\u4f7f\u7528\u5927\u62ec\u53f7 {}<\/code> \u76f4\u63a5\u63d2\u5165\u53d8\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
name = "David"<\/p>\n
age = 35<\/p>\n
info = f"Name: {name}, Age: {age}"<\/p>\n
print(info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u53d8\u91cf name<\/code> \u548c age<\/code> \u88ab\u76f4\u63a5\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\u7684\u5927\u62ec\u53f7 {}<\/code> \u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u6a21\u677f\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n
Python \u7684 string<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86 Template<\/code> \u7c7b\uff0c\u7528\u4e8e\u66ff\u6362\u6a21\u677f\u5b57\u7b26\u4e32\u4e2d\u7684\u5360\u4f4d\u7b26\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
from string import Template<\/p>\n
name = "Eve"<\/p>\n
age = 40<\/p>\n
template = Template("Name: $name, Age: $age")<\/p>\n
info = template.substitute(name=name, age=age)<\/p>\n
print(info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c$name<\/code> \u548c $age<\/code> \u662f\u5360\u4f4d\u7b26\uff0csubstitute<\/code> \u65b9\u6cd5\u4f1a\u5c06\u53d8\u91cf name<\/code> \u548c age<\/code> \u63d2\u5165\u5230\u76f8\u5e94\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf\u6765\u7ed9\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
def greet():<\/p>\n
    name = "Frank"  # \u5c40\u90e8\u53d8\u91cf<\/p>\n
    greeting = f"Hello, {name}!"<\/p>\n
    return greeting<\/p>\n
name = "Grace"  # \u5168\u5c40\u53d8\u91cf<\/p>\n
greeting = f"Hi, {name}!"<\/p>\n
print(greet())<\/p>\n
print(greeting)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cname<\/code> \u53d8\u91cf\u5728\u51fd\u6570 greet<\/code> \u4e2d\u662f\u5c40\u90e8\u53d8\u91cf\uff0c\u5728\u51fd\u6570\u5916\u90e8\u662f\u5168\u5c40\u53d8\u91cf\u3002\u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf\u53ef\u4ee5\u5206\u522b\u8d4b\u503c\u7ed9\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u5217\u8868\u548c\u5b57\u5178<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u548c\u5b57\u5178\u6765\u7ed9\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u4f7f\u7528\u5217\u8868<\/p>\n
names = ["Hank", "Ivy", "Jack"]<\/p>\n
greeting = f"Hello, {names[0]}!"<\/p>\n
print(greeting)<\/p>\n
\u4f7f\u7528\u5b57\u5178<\/strong><\/h2>\n
person = {"name": "Kate", "age": 45}<\/p>\n
info = f"Name: {person['name']}, Age: {person['age']}"<\/p>\n
print(info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u5217\u8868\u548c\u5b57\u5178\u6765\u5b58\u50a8\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u901a\u8fc7\u7d22\u5f15\u6216\u952e\u6765\u8bbf\u95ee\u5e76\u8d4b\u503c\u7ed9\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u516b\u3001\u7ed3\u5408\u51fd\u6570\u548c\u7c7b\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u51fd\u6570\u548c\u7c7b\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u4f7f\u7528\u51fd\u6570<\/p>\n
def get_greeting(name):<\/p>\n
    return f"Hello, {name}!"<\/p>\n
name = "Liam"<\/p>\n
greeting = get_greeting(name)<\/p>\n
print(greeting)<\/p>\n
\u4f7f\u7528\u7c7b<\/strong><\/h2>\n
class Person:<\/p>\n
    def __init__(self, name, age):<\/p>\n
        self.name = name<\/p>\n
        self.age = age<\/p>\n
    def get_info(self):<\/p>\n
        return f"Name: {self.name}, Age: {self.age}"<\/p>\n
person = Person("Mia", 50)<\/p>\n
info = person.get_info()<\/p>\n
print(info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u51fd\u6570\u548c\u7c7b\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u7ed3\u5408\u6587\u4ef6\u548c\u6570\u636e\u5e93\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5b57\u7b26\u4e32\u8d4b\u503c\u5e38\u5e38\u9700\u8981\u4ece\u6587\u4ef6\u6216\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u4ece\u6587\u4ef6\u8bfb\u53d6\u6570\u636e<\/p>\n
with open("data.txt", "r") as file:<\/p>\n
    name = file.readline().strip()<\/p>\n
greeting = f"Hello, {name}!"<\/p>\n
print(greeting)<\/p>\n
\u4ece\u6570\u636e\u5e93\u8bfb\u53d6\u6570\u636e<\/strong><\/h2>\n
import sqlite3<\/p>\n
conn = sqlite3.connect("example.db")<\/p>\n
cursor = conn.cursor()<\/p>\n
cursor.execute("SELECT name, age FROM users WHERE id = 1")<\/p>\n
row = cursor.fetchone()<\/p>\n
name, age = row<\/p>\n
info = f"Name: {name}, Age: {age}"<\/p>\n
print(info)<\/p>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4ece\u6587\u4ef6\u548c\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u7136\u540e\u8d4b\u503c\u7ed9\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u5341\u3001\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5904\u7406\u548c\u8d4b\u503c\u5b57\u7b26\u4e32\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
text = "Name: Olivia, Age: 55"<\/p>\n
match = re.search(r"Name: (\\w+), Age: (\\d+)", text)<\/p>\n
if match:<\/p>\n
    name, age = match.groups()<\/p>\n
    info = f"Name: {name}, Age: {age}"<\/p>\n
    print(info)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u4ece\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u6570\u636e\uff0c\u7136\u540e\u8d4b\u503c\u7ed9\u53d8\u91cf\uff0c\u5e76\u8fdb\u884c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u7ed3\u5408\u751f\u6210\u5668\u548c\u8fed\u4ee3\u5668\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u751f\u6210\u5668\u548c\u8fed\u4ee3\u5668\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u4f7f\u7528\u751f\u6210\u5668<\/p>\n
def name_generator():<\/p>\n
    yield "Paul"<\/p>\n
    yield "Quincy"<\/p>\n
    yield "Rita"<\/p>\n
for name in name_generator():<\/p>\n
    greeting = f"Hello, {name}!"<\/p>\n
    print(greeting)<\/p>\n
\u4f7f\u7528\u8fed\u4ee3\u5668<\/strong><\/h2>\n
names = ["Sam", "Tina", "Uma"]<\/p>\n
name_iterator = iter(names)<\/p>\n
for name in name_iterator:<\/p>\n
    greeting = f"Hi, {name}!"<\/p>\n
    print(greeting)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u751f\u6210\u5668\u548c\u8fed\u4ee3\u5668\u6765\u751f\u6210\u548c\u8fed\u4ee3\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u7136\u540e\u8d4b\u503c\u7ed9\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u7ed3\u5408\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u5404\u79cd\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u4f7f\u7528\u6808<\/p>\n
stack = []<\/p>\n
stack.append("Vera")<\/p>\n
stack.append("Will")<\/p>\n
stack.append("Xander")<\/p>\n
while stack:<\/p>\n
    name = stack.pop()<\/p>\n
    greeting = f"Hello, {name}!"<\/p>\n
    print(greeting)<\/p>\n
\u4f7f\u7528\u961f\u5217<\/strong><\/h2>\n
from collections import deque<\/p>\n
queue = deque(["Yvonne", "Zane", "Adam"])<\/p>\n
while queue:<\/p>\n
    name = queue.popleft()<\/p>\n
    greeting = f"Hi, {name}!"<\/p>\n
    print(greeting)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u6808\u548c\u961f\u5217\u7b49\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u548c\u5904\u7406\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u7136\u540e\u8d4b\u503c\u7ed9\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u5341\u4e09\u3001\u7ed3\u5408\u7f51\u7edc\u8bf7\u6c42\u548cAPI\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5b57\u7b26\u4e32\u8d4b\u503c\u5e38\u5e38\u9700\u8981\u4ece\u7f51\u7edc\u8bf7\u6c42\u548cAPI\u4e2d\u83b7\u53d6\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import requests<\/p>\n
\u4eceAPI\u83b7\u53d6\u6570\u636e<\/strong><\/h2>\n
response = requests.get("https:\/\/api.example.com\/user\/1")<\/p>\n
data = response.json()<\/p>\n
name = data["name"]<\/p>\n
age = data["age"]<\/p>\n
info = f"Name: {name}, Age: {age}"<\/p>\n
print(info)<\/p>\n
\u4ece\u7f51\u7edc\u8bf7\u6c42\u83b7\u53d6\u6570\u636e<\/strong><\/h2>\n
response = requests.get("https:\/\/www.example.com")<\/p>\n
text = response.text<\/p>\n
match = re.search(r"<title>(.*?)<\/title>", text)<\/p>\n
if match:<\/p>\n
    title = match.group(1)<\/p>\n
    print(f"Title: {title}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4eceAPI\u548c\u7f51\u7edc\u8bf7\u6c42\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u7136\u540e\u8d4b\u503c\u7ed9\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u5341\u56db\u3001\u7ed3\u5408\u591a\u7ebf\u7a0b\u548c\u5f02\u6b65\u7f16\u7a0b\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u591a\u7ebf\u7a0b\u548c\u5f02\u6b65\u7f16\u7a0b\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import threading<\/p>\n
import asyncio<\/p>\n
\u4f7f\u7528\u591a\u7ebf\u7a0b<\/strong><\/h2>\n
def thread_function(name):<\/p>\n
    greeting = f"Hello, {name}!"<\/p>\n
    print(greeting)<\/p>\n
thread = threading.Thread(target=thread_function, args=("Bella",))<\/p>\n
thread.start()<\/p>\n
thread.join()<\/p>\n
\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b<\/strong><\/h2>\n
async def async_function(name):<\/p>\n
    greeting = f"Hi, {name}!"<\/p>\n
    print(greeting)<\/p>\n
asyncio.run(async_function("Carter"))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u591a\u7ebf\u7a0b\u548c\u5f02\u6b65\u7f16\u7a0b\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\uff0c\u4f7f\u7a0b\u5e8f\u66f4\u52a0\u9ad8\u6548\u548c\u54cd\u5e94\u8fc5\u901f\u3002<\/p>\n<\/p>\n
\u5341\u4e94\u3001\u7ed3\u5408\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u548c\u8bbe\u8ba1\u6a21\u5f0f\u4f7f\u7528<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u7ed3\u5408\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u548c\u8bbe\u8ba1\u6a21\u5f0f\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/p>\n
class Greeting:<\/p>\n
    def __init__(self, name):<\/p>\n
        self.name = name<\/p>\n
    def get_greeting(self):<\/p>\n
        return f"Hello, {self.name}!"<\/p>\n
greet = Greeting("Diana")<\/p>\n
print(greet.get_greeting())<\/p>\n
\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\uff08\u5355\u4f8b\u6a21\u5f0f\uff09<\/strong><\/h2>\n
class Singleton:<\/p>\n
    _instance = None<\/p>\n
    def __new__(cls, *args, kwargs):<\/p>\n
        if not cls._instance:<\/p>\n
            cls._instance = super().__new__(cls, *args, kwargs)<\/p>\n
        return cls._instance<\/p>\n
singleton1 = Singleton()<\/p>\n
singleton2 = Singleton()<\/p>\n
print(singleton1 is singleton2)  # \u8f93\u51fa: True<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u548c\u8bbe\u8ba1\u6a21\u5f0f\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7ed3\u6784\u5316\u548c\u53ef\u7ef4\u62a4\u3002<\/p>\n<\/p>\n
\u7ed3\u8bba<\/h3>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728 Python \u4e2d\u7075\u6d3b\u5730\u7ed9\u5b57\u7b26\u4e32\u8d4b\u503c\uff0c\u6ee1\u8db3\u5404\u79cd\u4e0d\u540c\u7684\u9700\u6c42\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684\u8d4b\u503c\u8fd0\u7b97\u7b26\uff0c\u8fd8\u662f\u590d\u6742\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u548c\u8bbe\u8ba1\u6a21\u5f0f\uff0cPython \u90fd\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u8d4b\u503c\u3002\u5e0c\u671b\u8fd9\u4e9b\u793a\u4f8b\u548c\u89e3\u91ca\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff0c\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u6280\u672f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5c06\u5b57\u7b26\u4e32\u8d4b\u503c\u7ed9\u53d8\u91cf\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u8d4b\u503c\u8bed\u53e5\u5c06\u5b57\u7b26\u4e32\u8d4b\u7ed9\u53d8\u91cf\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8fd9\u6837\u505a\uff1amy_string = "Hello, World!"<\/code>\u3002\u8fd9\u5c06\u628a\u5b57\u7b26\u4e32"Hello, World!"\u5b58\u50a8\u5728\u53d8\u91cfmy_string<\/code>\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5728\u540e\u7eed\u4ee3\u7801\u4e2d\u4f7f\u7528\u8fd9\u4e2a\u53d8\u91cf\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u4f7f\u7528\u5b57\u7b26\u4e32\u53d8\u91cf\uff1f<\/strong>
\u4e00\u65e6\u5b57\u7b26\u4e32\u88ab\u8d4b\u503c\u7ed9\u53d8\u91cf\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u53d8\u91cf\u540d\u8bbf\u95ee\u548c\u64cd\u4f5c\u5b83\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u6253\u5370\u53d8\u91cf\u7684\u5185\u5bb9\uff1aprint(my_string)<\/code>\uff0c\u6216\u8005\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u62fc\u63a5\u3001\u5207\u7247\u7b49\u64cd\u4f5c\u3002Python\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5\uff0c\u5982my_string.upper()<\/code>\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u591a\u884c\u5b57\u7b26\u4e32\uff1f<\/strong>
\u5982\u679c\u60a8\u9700\u8981\u5c06\u591a\u884c\u6587\u672c\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e09\u91cd\u5f15\u53f7\uff08'''<\/code>\u6216"""<\/code>\uff09\u6765\u5b9a\u4e49\u591a\u884c\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a  <\/p>\n
multiline_string = """\u8fd9\u662f\u7b2c\u4e00\u884c\u3002\n\u8fd9\u662f\u7b2c\u4e8c\u884c\u3002\n\u8fd9\u662f\u7b2c\u4e09\u884c\u3002"""\n<\/code><\/pre>\n
\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5728\u4e00\u4e2a\u53d8\u91cf\u4e2d\u5b58\u50a8\u591a\u884c\u6587\u672c\uff0c\u5e76\u5728\u9700\u8981\u65f6\u4f7f\u7528\u5b83\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u7ed9\u5b57\u7b26\u4e32\u8d4b\u53d8\u91cf\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u4f7f\u7528f-string\u3001\u4f7f\u7528\u683c\u5f0f\u5316\u51fd\u6570\u3002 […]","protected":false},"author":3,"featured_media":1031450,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1031440"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1031440"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1031440\/revisions"}],"predecessor-version":[{"id":1031454,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1031440\/revisions\/1031454"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1031450"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1031440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1031440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1031440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}